What fraction is 2 days of 9 weeks?

To find the fraction of 2 days out of 9 weeks, we first need to convert both the days and weeks to a common unit. Since there are 7 days in a week, 9 weeks is equal to 9 x 7 = 63 days. Therefore, 2 days out of 63 days can be simplified to 2/63. So, the fraction of 2 days out of 9 weeks is 2/63.